90507820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2741}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 206373888

約数和(自身を除く): 115866068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 2741, 3302, 5482, 6604, 8255, 10964, 13705, 16510, 27410, 33020, 35633, 54820, 71266, 142532, 178165, 348107, 356330, 696214, 712660, 1392428, 1740535, 3481070, 4525391, 6962140, 9050782, 18101564, 22626955, 45253910, 90507820]

約数ペア:

[(1, 90507820), (2, 45253910), (4, 22626955), (5, 18101564), (10, 9050782), (13, 6962140), (20, 4525391), (26, 3481070), (52, 1740535), (65, 1392428), (127, 712660), (130, 696214), (254, 356330), (260, 348107), (508, 178165), (635, 142532), (1270, 71266), (1651, 54820), (2540, 35633), (2741, 33020), (3302, 27410), (5482, 16510), (6604, 13705), (8255, 10964)]